xref: /openbmc/qemu/include/ui/egl-helpers.h (revision ec150c7e)
1 #ifndef EGL_HELPERS_H
2 #define EGL_HELPERS_H
3 
4 #include <epoxy/gl.h>
5 #include <epoxy/egl.h>
6 #include <gbm.h>
7 #include "qapi/qapi-types-ui.h"
8 #include "ui/console.h"
9 #include "ui/shader.h"
10 
11 extern EGLDisplay *qemu_egl_display;
12 extern EGLConfig qemu_egl_config;
13 extern DisplayGLMode qemu_egl_mode;
14 
15 typedef struct egl_fb {
16     int width;
17     int height;
18     GLuint texture;
19     GLuint framebuffer;
20     bool delete_texture;
21 } egl_fb;
22 
23 void egl_fb_destroy(egl_fb *fb);
24 void egl_fb_setup_default(egl_fb *fb, int width, int height);
25 void egl_fb_setup_for_tex(egl_fb *fb, int width, int height,
26                           GLuint texture, bool delete);
27 void egl_fb_setup_new_tex(egl_fb *fb, int width, int height);
28 void egl_fb_blit(egl_fb *dst, egl_fb *src, bool flip);
29 void egl_fb_read(void *dst, egl_fb *src);
30 
31 void egl_texture_blit(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip);
32 void egl_texture_blend(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip,
33                        int x, int y, double scale_x, double scale_y);
34 
35 #ifdef CONFIG_OPENGL_DMABUF
36 
37 extern int qemu_egl_rn_fd;
38 extern struct gbm_device *qemu_egl_rn_gbm_dev;
39 extern EGLContext qemu_egl_rn_ctx;
40 
41 int egl_rendernode_init(const char *rendernode, DisplayGLMode mode);
42 int egl_get_fd_for_texture(uint32_t tex_id, EGLint *stride, EGLint *fourcc,
43                            EGLuint64KHR *modifier);
44 
45 void egl_dmabuf_import_texture(QemuDmaBuf *dmabuf);
46 void egl_dmabuf_release_texture(QemuDmaBuf *dmabuf);
47 
48 #endif
49 
50 EGLSurface qemu_egl_init_surface_x11(EGLContext ectx, EGLNativeWindowType win);
51 
52 int qemu_egl_init_dpy_x11(EGLNativeDisplayType dpy, DisplayGLMode mode);
53 int qemu_egl_init_dpy_mesa(EGLNativeDisplayType dpy, DisplayGLMode mode);
54 EGLContext qemu_egl_init_ctx(void);
55 
56 #endif /* EGL_HELPERS_H */
57